The front of this building is a narrow storefront, with upstairs apartments, on Butler Street; but it goes way back, and here we see the 37th Street side. The mansard roof marks it as the Second Empire style, named for its prevalence in the French empire of Napoleon III.
The Lower Lawrenceville business district was practically abandoned ten years ago; now it is a lively place, with trendy restaurants, cafes, and shops.
This one huge extreme-wide-angle picture is put together from nine separate photographs, and a few stitching errors are apparent if you look at it full-sized.